One who utters or pronounces a discourse; usually, one who utters a speech in public; as, the man is a good speaker, or a bad speaker.
One who is the mouthpiece of others; especially, one who presides over, or speaks for, a delibrative assembly, preserving order and regulating the debates; as, the Speaker of the House of Commons, originally, the mouthpiece of the House to address the king; the Speaker of a House of Representatives.
A graduation ceremony is an event where the commencement speaker tells thousands of students dressed in identical caps and gowns that 'individuality' is the key to success. Robert Orben
Persuasion is achieved by the speaker's personal character when the speech is so spoken as to make us think him credible. We believe good men more fully and more readily than others: this is true generally whatever the question is, and absolutely true where exact certainty is impossible and opinions are divided. Aristotle
We worry about appearing awkward in a presentation. But up to a point, most people seem to feel more comfortable with less-than-perfect speaking abilities. It makes the speaker more human - and more vulnerable, meaning he is less likely to attack our decisions or beliefs. John P. Kotter
I believe that any type of education can be great, but an education about ourselves can create something wonderful. I am a comedian, but people have called me a motivational speaker. I don't really consider myself that at all. Andy Andrews
One of the things that I did before I ran for president is I was a professional speaker. Not a motivational speaker - an inspirational speaker. Motivation comes from within. You have to be inspired. That's what I do. I inspire people, I inspire the public, I inspire my staff. I inspired the organizations I took over to want to succeed. Herman Cain